System comprising a network switch which can be controlled wirelessly using software tickets
CH712676A2
Electrical device with wireless controllable power switch.
CH698443B1
Switch, e.g. for a boiler or heat storage, has a control connection to activate the switching action according to settings or manually
CH660091A5
Switching apparatus which can be connected upstream of a current load which can be switched on and off automatically by means of a contactor by ripple control on the power supply (network) side
US3689759A
Underwater searchlight
FR1467404A
Sieve used to extract water from the product which is passed through this sieve
